Tiki 2.0 offers 221 different permissions that can be assigned to any group. Tiki offers a very fine-grained permission system but it's overwhelming for a new admin. One of the goals is to have sensible defaults. But with such a versatile tool, sensible default are quite different per use case. So, the following permission profiles are meant to help accelerate the configuration.

As always:

All permissions can be modified

You can create any number of groups and include groups in groups, to inherit permissions.

Publishing with UGC

Open community

Very open but more cautious than Intranet-Collaboration because anyone can register. P2PCommunity_Permissions

Open Collaboration - Full Profile

This is a fairly wide open permission regime. It does not allow anonymous wiki edits but anonymous users can participate in forums, post comments, upload attachments and view pretty much everything that had not been categorized (made private).Open_Collaboration_Permissions

Extranet

Efficient collaboration between company and its customers/partners, limited interaction between customers. See Help desk vs Bug_Tracker. More of a customer service approach. Interaction between customers is monitored (ex.: forums)Extranet_Permissions